Subtract: (y3 + 5y2 - 3y) – (2y2 – 4y + 1 + 1)
A -y3 + y2 – 2y
B -y3 +9y2 - 4y
C y3 + 3y2 - 7y + 1
D y3 + 3y2 + y - 1
* need fast help *

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?